/Engine/Plugins/Online/OnlineSubsystem/Source/Public/Interfaces/OnlineUserInterface.h
Get the cached user entry for a specific user id if found
user info or null ptr if not found
[TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [FOnlineUser](API\Plugins\OnlineSubsystem\FOnlineUser) > GetUserInfo ( int32 LocalUserNum, const class [FUniqueNetId](API\Runtime\CoreOnline\Online\FUniqueNetId) & UserId )